agenttesla | a81237863338db207c02fc470ff6e76bdab677cb6e34bf6214adae170b52010c

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
22/07/2026, 08:15

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General

Target
Documentos--020260713.pdf.jse
Size 147KB
Sample260722-j53prace35
SHA256 a81237863338db207c02fc470ff6e76bdab677cb6e34bf6214adae170b52010c
MD5 dcb004c43fb05ea6a889ca29d1c2a77e
SHA1 493753cec15a6d9ff79ab264b952b3c4af9afe86
SHA512 e8a8d1694465b006bd8a41d477a986ede1192e96bd1470796f044b2168c7de423f774b4e638fa5e3b81caab57196b2be5b9b515bfab6d3506e2ef7bb330bed45
SSDEEP 3072:/4LPkgwKdoGDJ9U8CWt76JI7GmLrmGIrZXEaaq2:/4LPkgwKdoGDJ9U8CWg+p4ZXER
TLSH
T1F3E330496AE0F44807972B7B361BB4EAF4FF08D9698C8547E550FCD0B1E6206FAE1931
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.5dejunio.gob.ec
Port
21
Username
[email protected]
Password
osef!t1!#Z8,H378

Signatures

Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Badlisted process makes network request 10 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
4	5052	WScript.exe
6	5052	WScript.exe
9	5052	WScript.exe
29	5052	WScript.exe
32	5052	WScript.exe
33	5052	WScript.exe
74	5052	WScript.exe
82	5052	WScript.exe
93	5052	WScript.exe
105	5052	WScript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
113	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 4320	2552	powershell.exe	104

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2552	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
4320	aspnet_compiler.exe
4320	aspnet_compiler.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe
2552	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	4320	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 2552	5052	WScript.exe	97
PID 2552 wrote to memory of 1760	2552	powershell.exe	99
PID 2552 wrote to memory of 3732	2552	powershell.exe	100
PID 2552 wrote to memory of 4848	2552	powershell.exe	101
PID 2552 wrote to memory of 1236	2552	powershell.exe	102
PID 2552 wrote to memory of 732	2552	powershell.exe	103
PID 2552 wrote to memory of 4320	2552	powershell.exe	104
PID 2552 wrote to memory of 4320	2552	powershell.exe	104
PID 2552 wrote to memory of 4320	2552	powershell.exe	104
PID 2552 wrote to memory of 4320	2552	powershell.exe	104
PID 2552 wrote to memory of 4320	2552	powershell.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\Documentos--020260713.pdf.jse"
1⤵
- Badlisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -ep bypass -file "C:\Temp\R109KKNM.ps1"
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3732
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4848
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:732
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    PID:4320

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

R109KKNM.ps1

Path C:\Temp\R109KKNM.ps1
Size 1.5MB
SHA256 a76484cfdfb6f77c327d0c578a75cc092b13e6afcb18495a5827a374937f0a92
MD5 b426bb58a328f8323b8e028050392040
SHA1 0cb62071ffebe9537170ffae6afb37d24acba838
SHA512 9d58c587e7cc7d88ca52bce4ca10a25a731a01d9c44f0c946cdbf2701682b12fcb648c9abe9d1bfe3a5141a269e95909352cdaa9aed4a8990f256bca8b4fb650
SSDEEP 24576:v8Z/NFDQIkPN+fWleee0/EVdneZiPZC6tnZO60waS4OsePvyud1x6qdkHLKBmuY8:4
TLSH
T17675537592A4B96B036F3B5BC2C19CD857272D47726ADC640BF506820BD324C6FDE83A
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_4lf1mi4q.ewd.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4lf1mi4q.ewd.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2552-26-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/2552-16-0x000001C2515E0000-0x000001C251602000-memory.dmp

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memory/2552-20-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/2552-21-0x000001C26A590000-0x000001C26A5A8000-memory.dmp

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memory/2552-22-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/2552-31-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/2552-10-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/2552-30-0x000001C269700000-0x000001C269710000-memory.dmp

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memory/4320-24-0x0000000005DF0000-0x0000000006394000-memory.dmp

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memory/4320-27-0x0000000006B20000-0x0000000006BB2000-memory.dmp

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memory/4320-28-0x0000000006BC0000-0x0000000006C10000-memory.dmp

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memory/4320-29-0x0000000006D00000-0x0000000006D0A000-memory.dmp

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memory/4320-25-0x0000000005840000-0x00000000058A6000-memory.dmp

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memory/4320-23-0x0000000000400000-0x0000000000442000-memory.dmp

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